Home / 65,851-90,874.37-35,636.32

Finding the Fourth Proportional to 65,851, 90,874.37 and 35,636.32

Calculator

Solution

The fourth proportional to 65,851, 90,874.37 and 35,636.32 is: 49,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,851 : 90,874.37 = 35,636.32 : x
  2. Step 2: Convert to fraction form
    65,851/90,874.37 = 35,636.32/x
  3. Step 3: Cross multiply
    65,851x = 90,874.37 × 35,636.32
  4. Step 4: Simplify right side
    65,851x = 3,238,428,129.12
  5. Step 5: Solve for x
    x = 3,238,428,129.12/65,851
  6. Step 6: Final answer
    x = 49,178.12

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.